Return to tconst_pi.c CVS log

Up to [local] / OpenXM_contrib / gmp / mpfr / tests

Annotation of OpenXM_contrib/gmp/mpfr/tests/tconst_pi.c, Revision 1.1.1.1

1.1       ohara       1: /* Test file for mpfr_const_pi.
                      2:
                      3: Copyright 1999, 2001 Free Software Foundation, Inc.
                      4:
                      5: This file is part of the MPFR Library.
                      6:
                      7: The MPFR Library is free software; you can redistribute it and/or modify
                      8: it under the terms of the GNU Lesser General Public License as published by
                      9: the Free Software Foundation; either version 2.1 of the License, or (at your
                     10: option) any later version.
                     11:
                     12: The MPFR Library is distributed in the hope that it will be useful, but
                     13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
                     15: License for more details.
                     16:
                     17: You should have received a copy of the GNU Lesser General Public License
                     18: along with the MPFR Library; see the file COPYING.LIB.  If not, write to
                     19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     20: MA 02111-1307, USA. */
                     21:
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include "gmp.h"
                     25: #include "mpfr.h"
                     26:
                     27: /* tpi [prec] [rnd] [0 = no print] */
                     28:
                     29: int
                     30: main (int argc, char *argv[])
                     31: {
                     32:   mpfr_t x; int p; unsigned char rnd;
                     33:
                     34:   p = (argc>1) ? atoi(argv[1]) : 53;
                     35:   rnd = (argc>2) ? atoi(argv[2]) : GMP_RNDZ;
                     36:   mpfr_init2(x, p);
                     37:   mpfr_const_pi(x, rnd);
                     38:   if (argc>=2) {
                     39:     printf("Pi="); mpfr_out_str(stdout, 10, 0, x, rnd); putchar('\n');
                     40:   }
                     41:   else if (mpfr_get_d1 (x) != 3.141592653589793116) {
                     42:     fprintf(stderr, "mpfr_const_pi failed for prec=53\n"); exit(1);
                     43:   }
                     44:   mpfr_clear(x);
                     45:
                     46:   return 0;
                     47: }